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Digital Electronics

Digital Electronics
ASCII code is a

 8-bit code
 10-bit code
 5-bit code
 7-bit code

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-NOR
 a NAND or an X-OR
 an AND or a NOR
 an OR or an X-OR

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Digital Electronics
Why encoder is used in the digital electronics ?

 To convert non coded information into coded form
 To convert coded information into non coded form
None of these
 It is used to separate address bus and data bus

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 4
 0 and 3
 1 and 3
 0 and 4

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Digital Electronics
X OR X' will result

 1
 X
 X'
 0

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Digital Electronics
The complement of a function A is

 1
 A
 0
 Ā

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